Add mobile screen-level analytics event design

[Brainoncrack]

Description

Difficulty: Expert

Type: Documentation

Summary

Design safe screen-level analytics events without exposing wallet or transaction secrets.

Current Behaviour

Future analytics could accidentally collect sensitive wallet or payment data.

Expected Behaviour

The repo should document what may and may not be tracked.

Suggested Implementation

Create an analytics event design covering screen views, action outcomes, redaction rules, and opt-out assumptions.

Files or Areas Likely Affected

docs/
README.md
app/
src/features/

Acceptance Criteria

• Analytics design is documented.
• Sensitive data exclusions are clear.
• Allowed event examples are included.
• Wallet and transaction data rules are defined.
• README links to the document.

Additional Notes

This is design-only unless analytics already exists.

[akinboyewaSamson]

Hi Maintainer,

I would love to be assigned to this issue.

I’m a Full-Stack Developer and I also actively explore blockchain development and smart contracts, which has strengthened my problem-solving skills and attention to code quality.

After reviewing the issue, I believe I can contribute effectively and deliver a well-tested solution within the expected standards of the project.

ETA: 6 hours

Thank you for your consideration.

[grantfox-oss]

🦊 GrantFox — @akinboyewaSamson has been assigned to this issue as part of the Official Campaign | FWC26 campaign!

Next steps:

1. Open a Pull Request referencing this issue (e.g., Closes #336)
2. Your PR will be reviewed by the Axionvera maintainers

Good luck! Track your progress on GrantFox.